Base | Representation |
---|---|
bin | 111110101111110… |
… | …0111110100010001 |
3 | 12102201202111211210 |
4 | 1331133213310101 |
5 | 13302443112203 |
6 | 544530530333 |
7 | 103113646365 |
oct | 17537476421 |
9 | 5381674753 |
10 | 2105441553 |
11 | 990515446 |
12 | 4a91369a9 |
13 | 277274907 |
14 | 15d8a52a5 |
15 | c4c8e803 |
hex | 7d7e7d11 |
2105441553 has 8 divisors (see below), whose sum is σ = 2875725216. Its totient is φ = 1369392800.
The previous prime is 2105441549. The next prime is 2105441579. The reversal of 2105441553 is 3551445012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2105441553 - 22 = 2105441549 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2105441553.
It is not an unprimeable number, because it can be changed into a prime (2105441593) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8558583 + ... + 8558828.
It is an arithmetic number, because the mean of its divisors is an integer number (359465652).
Almost surely, 22105441553 is an apocalyptic number.
It is an amenable number.
2105441553 is a deficient number, since it is larger than the sum of its proper divisors (770283663).
2105441553 is a wasteful number, since it uses less digits than its factorization.
2105441553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17117455.
The product of its (nonzero) digits is 12000, while the sum is 30.
The square root of 2105441553 is about 45885.0907485209. The cubic root of 2105441553 is about 1281.6842966102.
Adding to 2105441553 its reverse (3551445012), we get a palindrome (5656886565).
The spelling of 2105441553 in words is "two billion, one hundred five million, four hundred forty-one thousand, five hundred fifty-three".
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